1873401664 has 28 divisors (see below), whose sum is σ = 3720579300. Its totient is φ = 935932928.

The previous prime is 1873401661. The next prime is 1873401667. The reversal of 1873401664 is 4661043781.

It is an interprime number because it is at equal distance from previous prime (1873401661) and next prime (1873401667).

It can be written as a sum of positive squares in 2 ways, for example, as 586027264 + 1287374400 = 24208^2 + 35880^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1873401661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71142 + ... + 93850.

Almost surely, 2^1873401664 is an apocalyptic number.

It is an amenable number.

1873401664 is a deficient number, since it is larger than the sum of its proper divisors (1847177636).

1873401664 is a wasteful number, since it uses less digits than its factorization.

1873401664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24010 (or 24000 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1873401664 is about 43282.8102599635. The cubic root of 1873401664 is about 1232.7555521750.

The spelling of 1873401664 in words is "one billion, eight hundred seventy-three million, four hundred one thousand, six hundred sixty-four".